Digital Board (2) (Pcb1) - Panasonic KX-FLM652CX Service Manual

KX-FLM652CX

14.2. DIGITAL BOARD (2) (PCB1)

TO
PICK_UP
+3.3V
3
PAPER SENSOR
4
+3.3V
3
REGIST SENSOR
4
+24V
+5VD
R665
Q613
1.5K 1/2W
CN608
16
5
A
15
B 4
14
XA 3
13
2
XB
12
COM 1
11
TO SCAN MOTOR
10
PG
A
B
TO SMPS
XA
+24V
XB
CN606
+24V 1
+24V 2
PG 3
PG 4
PG
DG 5
+5VD
DG 6
+3.3V
+5VD 7
+3.3V 8
PWRDWN 9
HTRCTL 10
+24VP
CN607
+24VP
1
PG
2
CHG 3
DEV
4
Q609
TRS
5
TOPCVR 6
TO HVPS
+24V
CN605
PIC 1
GND 2
Q610
1:5B
R653 1K
SN_PICK
C849
K0.47u
PG
R654
PAPER
5.6K
1
2
R652
PAPER_LED
180
5.6K
REGIST
R683
1
2
R673
REG_LED
180
RPS
REGIST
PAPER_LED
PAPER
RMA
RMB
RMXA
RMXB
RMPWR
TMPWR
IC610
Q618
TMA
1
TMB
2
TMXA
3
+3.3V
TMXB
4
5
R671
220
6
7
L735
9 8
GND
1P181
PG
AG
L644 L645
1P181 1B601
PG
+5VD
PWRDWN
Q616
HTRCTL
Q620
CHG
DEV
Q614
TRS
Q611
+3.3V
TOPCVR
Q629
+5VD
+3.3V +3.3V
CN611
+5VD 1
DRUM 2
TNREMP 3
GND 4
L696
L697
L698
L699
L634 1B601S
L635 1B601S
L636 1B601S
L637 1B601S
L638 1B252SD
+3.3V/BATT +3.3V/BATT1
XSYSRST
+3.3V/BATT
+5VD
C670
J18p
XGAINT 1:5B
C671
RD
330K
R681
J18p
WR
D[0]
1
D[1]
2
D[2]
3
D[3]
4
D[4]
1
D[5]
2
D[6]
3
D[7]
4
1:3E;3:1A
D[15-0]
Iout=890mA(peak)
Iout=620mA(base)
+1.8V
+1.8V
Iout=800mA,Pd=500mW
(3.3-0.8-1.8)*500=560mW
IC605
1
ON/OFF
2
VSS
3
NC
KX-FLM652CX DIGITAL BOARD SCHEMATIC DIAGRAM No.2 (PCB1) 1/2
258
R691
1:3B
DRUM
10K
R693
5.6K
+3.3V
Z0.1u
C681
3.3V
109
110 SENIN8
0
111 SENIN9
112 SENIN10
0
SENIN11
113
0
SENCTL3
114
SENIN12
115
0
SENIN13
116
117 SENIN14
118 SENIN15
PMT0/LD
119
PMT1/SS
120
PMT2/DCCLK
121
PMT3/BREAK
122
123 PMT4
124 IOP04/EXTCLK
1:1F;1:4C;5A
125 XRESET
3.3V
126
C680
VSS
127
Z0.1u
VDDRTC
128
PWRCTL
129
130 XIN_RTC
32.768kHz
131 XOUT_RTC
VSSRTC
132
XINTOUT
133
1:1D;1:1F;3:1A
XRD
134
1:1D;3:1A
XWR
135
8
136 DB0
RA627
7
137 DB1
33
6
138 DB2
5
DB3
139
8
DB4
140
RA628
7
DB5
141
33
6
DB6
142
5
143 DB7
144 3.3V
C682
VDDPLL
L648
Z0.1u
1B601
L649
1B601
1:2F;3:1A
PLLG
A[13-0]
+3.3V
4.7K
R692
+3.3V
RESET.
XSYSRST
1:1F;1:4C;6D
5
VOUT
4
VIN
(1)
22MHz
X602
1M R695
(2)
(3)
22.22MHz
IC604
(4)
(5)
+3.3V
RESET
IC606
1 4
VOUT VSS
2 3
VIN NC
RESET Voltage
2.7V